Rammer 3288E has been designed using a revolutionary new operating principle that combines stroke length, blow energy and Rammer’s idle blow protector, allowing the hammer to be adjusted to match individual carriers and applications, improving hydraulic efficiency and safety.

SPECIFICATION

Minimum working weight, flange mounted  *1 2400 kg 5290 lb
Weight 2040 kg 4500 lb
Working length 2581 mm 101.6 in
Impact rate, Long stroke 370 – 630 bpm
Impact rate, Short stroke 460 – 740 bpm
Operating pressure 150 – 160 bar 2175 – 2320 psi
Pressure relief setting  *2 220 bar 3190 psi
Pressure relief max 240 bar 3480 psi
Oil flow range 160 – 250 l/min 42.3 – 66.0 gal/min
Back pressure max 10 bar 145 psi
Input power 67 kW 90 hp
Tool diameter 142 mm 5.59 in
Pressure line connection (IN) SAE 6000 psi 1 1/4″
Return line connection (OUT) SAE 6000 psi 1 1/4″
Pressure line size, min. inner diameter 32 mm 1.26 in
Return line size, min. inner diameter 32 mm 1.26 in
Grease connection BSPP-internal 3/8″
Air connection (A) BSPP-internal 3/8″
Optimum oil temperature 40 – 60 °C 104 – 140 °F
Allowed oil temperature range -20 – 80 °C -4 – 176 °F
Optimum oil viscosity at operating temperature 30 – 60 cSt
Allowed viscosity range 20 – 1000 cSt
Carrier weight, optimum 28 – 38 t 61700 – 83800 lb
Carrier weight, range  *3 26 – 42 t 57300 – 92600 lb
Noise level, measured (2000/14/EC) 124 dB(A)
Noise level, guaranteed (2000/14/EC) 128 dB(A)
*1   Includes average mounting bracket and standard tool
*2   Minimum setting = actually measured operating pressure + 50 bar or 725 psi
*3   Check carrier allowed attachment weight from carrier manufacturer. Check application requirements.

Specifications are subject to change without notice (Tuesday, April 16, 2019)